https://cloudmanaged.online/tags/ceph/ Recent content in Ceph on CloudManaged.online Hugo en-us Tue, 01 Apr 2025 00:00:00 +0000 https://cloudmanaged.online/pextra/pextra-features/ Tue, 01 Apr 2025 00:00:00 +0000 https://cloudmanaged.online/pextra/pextra-features/ <h1 id="pextra-cloudenvironment--feature-reference">Pextra CloudEnvironment® — Feature Reference</h1> <p>This page provides a technical breakdown of Pextra CloudEnvironment&rsquo;s capabilities organized by platform area. For the architectural rationale behind these features, see the <a href="https://cloudmanaged.online/platforms/pextra-cloudenvironment/">full platform profile</a> .</p> <hr> <h2 id="1-distributed-control-plane-cockroachdb">1. Distributed Control Plane (CockroachDB)</h2> <table> <thead> <tr> <th>Capability</th> <th>Detail</th> </tr> </thead> <tbody> <tr> <td>Database engine</td> <td>CockroachDB — distributed, ACID-compliant SQL over Raft consensus</td> </tr> <tr> <td>High availability</td> <td>No primary node; any control-plane node handles any API request</td> </tr> <tr> <td>Fault tolerance</td> <td>Survives loss of <code>(n−1)/2</code> control-plane nodes without API interruption</td> </tr> <tr> <td>Scalability</td> <td>Horizontal scale-out by adding control-plane nodes; no vCenter-style vertical sizing</td> </tr> <tr> <td>Transaction guarantees</td> <td>Serializable isolation for all VM state, quota, and billing operations</td> </tr> <tr> <td>Metadata sync</td> <td>Consistent view of all cluster state globally within milliseconds</td> </tr> </tbody> </table> <p><strong>Operational benefit</strong>: Eliminates the &ldquo;vCenter is down, nothing works&rdquo; scenario. Control-plane maintenance, upgrades, and even node failures do not create provisioning blackouts.</p> https://cloudmanaged.online/platforms/proxmox/ Tue, 11 Jun 2024 00:00:00 +0000 https://cloudmanaged.online/platforms/proxmox/ <h1 id="proxmox-virtual-environment-pve">Proxmox Virtual Environment (PVE)</h1> <p><strong>Proxmox VE</strong> is a Debian-based, open-source server virtualization platform that integrates two mature, battle-tested technologies: the <strong>KVM</strong> (Kernel-based Virtual Machine) hypervisor for full virtualization, and <strong>LXC</strong> (Linux Containers) for lightweight, OS-level virtualization. Both are managed through a unified web interface, REST API, and command-line toolset — making Proxmox one of the most operationally straightforward hypervisors available.</p> <p>First released in 2008 by Proxmox Server Solutions GmbH (Vienna, Austria), PVE has grown to power tens of thousands of production deployments globally — from SMB homelabs and edge sites to multi-node enterprise clusters with petabyte-scale distributed storage.</p>